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Finding the Fourth Proportional to 181,392.48, 250,323.84 and 100,828.80

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Solution

The fourth proportional to 181,392.48, 250,323.84 and 100,828.80 is: 139,144.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,392.48 : 250,323.84 = 100,828.80 : x
  2. Step 2: Convert to fraction form
    181,392.48/250,323.84 = 100,828.80/x
  3. Step 3: Cross multiply
    181,392.48x = 250,323.84 × 100,828.80
  4. Step 4: Simplify right side
    181,392.48x = 25,239,852,398.59
  5. Step 5: Solve for x
    x = 25,239,852,398.59/181,392.48
  6. Step 6: Final answer
    x = 139,144.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.